Ephrin type-B receptor 1, ligand binding domain (IPR034231)

Short name: EphB1_rcpt_lig-bd

Overlapping homologous superfamilies

Domain relationships


This entry represents the ligand-binding domain found in ephrin type-B receptor 1 (EphB1). Using EphB1 knockout-mice, EphB1 has been shown to be essential to the development of long-term potentiation (LTP) [PMID: 19523204], a cellular model of synaptic plasticity, learning and memory formation [PMID: 21514363, PMID: 12971893, PMID: 18424888].

Class EphB receptors bind to transmembrane ephrin-B ligands. There are six vertebrate EhpB receptors (EphB1-6), which display promiscuous interactions with three ephrin-B ligands [PMID: 12495863].

Ephrin receptors (EphRs) comprise the largest subfamily of receptor tyrosine kinases (RTKs). EphRs contain a ligand binding domain and two fibronectin repeats extracellularly, a transmembrane segment, and a cytoplasmic tyrosine kinase domain. Binding of the ephrin ligand to EphR requires cell-cell contact since both are anchored to the plasma membrane. The resulting downstream signals occur bidirectionally in both EphR-expressing cells (forward signaling) and ephrin-expressing cells (reverse signaling) [PMID: 12495863].

GO terms

Biological Process

No terms assigned in this category.

Molecular Function

GO:0005515 protein binding

Cellular Component

No terms assigned in this category.

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.